Facial hair covering the area just forward of the ears on men and certain unfortunate women of Mediterrainian extraction.

The name was derived from Burnside, an American Civil War general who, whilst clearly a man of style and innovation with his own sideburns, was a terribly poor military commander and was also a renowned figjam.

Man, are you living in the seventies? With those sideburns you could star as a crim in Starsky & Hutch!